After James Chadwick discovered the neutron, atomic theory expanded to include isotopes. Isotopes have many practical uses. For example,
scientists use the relative amount of carbon-12 to carbon-14 in ancient bones to determine how old they are.
How many neutrons are in an atom of Carbon-147
A 2
B 6
C 8
D 14
Answers: 1
Chemistry, 23.06.2019 00:50
Which of the following warnings would an agricultural chemist tell a farmer who wants to recycle his or her own ammonia? recycling ammonia is a difficult process that sometimes takes weeks. recycling ammonia requires a degree in biochemistry or a related field. recycling ammonia can be harmful because it is highly flammable and toxic. recycling ammonia costs too much money considering the price of the necessary chemicals.
Answers: 1
Chemistry, 23.06.2019 02:00
Scientists are often interested in knowing the molar heat of combustion – the heat released during the combustion of one mole of a substance. use the periodic table to find molar masses. how many moles of ethanol are present in the sample?
Answers: 2
After James Chadwick discovered the neutron, atomic theory expanded to include isotopes. Isotopes ha...
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